Home / 71,274.09-98,355.81-39,444.33

Finding the Fourth Proportional to 71,274.09, 98,355.81 and 39,444.33

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Solution

The fourth proportional to 71,274.09, 98,355.81 and 39,444.33 is: 54,431.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,274.09 : 98,355.81 = 39,444.33 : x
  2. Step 2: Convert to fraction form
    71,274.09/98,355.81 = 39,444.33/x
  3. Step 3: Cross multiply
    71,274.09x = 98,355.81 × 39,444.33
  4. Step 4: Simplify right side
    71,274.09x = 3,879,579,027.06
  5. Step 5: Solve for x
    x = 3,879,579,027.06/71,274.09
  6. Step 6: Final answer
    x = 54,431.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.